Double-shovel plow



(No Model.) 2 Sheets-Sheet 1.

B.S.GLAY TON.- DOUBLE SHOVBL PLOW.

No. 549,440,. v Patented Nov.. 5, 1895.

UNITED STATES PATENT OFFICE.

EDWARD S. CLAYTON, OF CORNERSVILLE, TENNESSEE.

DOUBLE-SHOVEL PLOW.

SPECIFICATION forming part of Letters Patent No. 549,440, dated November5, 1895.

' A li ation fil d June 25, 1895. Serial No. 554,026. (No model.)

To all whom it may concern.-

Be itknown that I, EDWARD S. CLAYTON, a citizen of the United States,residing at Cornersville, in the county of Marshall and State theshovels or plows may be thrown more or.

less onto point or heel without disturbing the level of the implement;second, to provide simple means for adjusting the standards laterally tovary the distance between the furrows; and, third, to improve generallythe construction and operation of a double-shovel plow, as hereinaftermore particularly set forth.

In the annexed drawings, illustrating the invention, Figure 1 is a sideelevation of my improved double-shovel plow. Fig. 2 is a plan of thesame. Fig. 3 is an enlarged longitudinal section of the rear portion ofthe main beam with devices for vertically adjusting the side beams orshovel-carrying standards. Fig. 4 is a perspective of the rear portionof the main plow-beam and mechanism for adjusting the side beams orstandards. Fig. 5 is a detail view of the latchpieces and keys for thevertical adjustment of the plow or shovel standards. Fig. 6 is a View ofone of the spreaders for use in varying the width of the plow.

Referring to the'several parts of the plow in detail, thereference-numeral 1 designates the main beam, which may have secured toits forward end a draft-clevis 2 of any suitable or preferredconstruction.

The side beams or plow-standards 3 have their forward ends pivotallyconnected to the central or main beam 1 by means of a bolt l, passedtransversely through the said main beam and provided with a nut on oneend.

To opposite sides of the rear end of the beam 1 are securely boltedmetallic plates 5, having their rear ends provided with ears 6,

thatproj ect in rear of the beam parallel with each other and invertical planes. Each of these cars 6 is provided with a vertically- 12,projecting from its forward edge.

elongated slot 7 for passage of a transverse rod 8, that is alsoextended laterally through perforations formed in the plow-standards. Inone of the ears 6 are circular perforations 9 and in the other ear areperforations 10, that are made somewhat elongated or eccentric on oneside. The rear end of the beam 1 is provided with recesses 11 to receivelugs 12, formed on latch-plates 13, that are removably placed at theinner sides of the ears 6 and in contact therewith. Each latchplate 13is provided with a pair of the lugs One latch has circular perforationsl4, corresponding with the circular perforations 9 of one ear 6, and theother latch has eccentricallyformed perforations'15, corresponding withthe similar perforations 10 in the other car. Before insertingthe lugs12 of the latch-pieces 13 into the recesses 11 of the central beam 1 therear end of the said beam will be adjusted in such relation to the sidebeams or plowstandards 3 and transverse rod 8 that the said rod willoccupy a position either above or below the lugs 12 or between the same,according to the required elevation of the plowfeet.

It will be seen that when the latch-pieces 13 are in position the lugs12 intersect the vertically-elongated slots 7 of the beam-ears 6 andsubstantially divide each of said slots into three openings, througheither of which the rod 8 may pass. In the lowermost adj ustment of therear end of the main beam 1 (or upward adjustment of the plow-standards3) the transverse rod 8 will occupy position in the upper ends of theslot 7, above the lugs 12 of the two latch-pieces and bearing thereon.In this relative arrangement of the main beam, plowstandards, and rod 8the plows are thrown more onto their points. By changing the adjustmentof the parts so that the rod 8 will be at the bottom of the slots 7 andbelow the lugs 12 the plows will each be thrown more on the heel. Anintermediate adjustment is obtained by arranging the parts so that therod 8 will be supported centrally of the slots 7, between the upper andlower lugs 12 of the latch-pieces. There are thus given at the rear endof the central or main plow-beam three difierent sets or pitches for theplows that are carried on the side beams or standards, and the severaladjustments are readily obtained without throwing the plow out of level,as is liable to occur when the adjustments are made through a clevis atthe forward end of the beam. This adjustment at the rear end of the mainbeam also causes the plow to stand perfectly level and steady, andenables the desired action of the plowshares, shovels, or points to bereadily and quickly obtained.

For the purpose of securing the latch-pieces 13 in place, so that theywill hold the beam 1. and standards 3 in their adjusted position, thereare provided keys 10, that are inserted endwise into the openings formedtherefor in the ears 6 and latch-pieces 13. These keys 1b are eachprovided with a circular end 17 to engage the circular perforations and14 of one ear-piece G and adjacent latch-piece 13. Near its other endeach key is provided with a circular portion 18 that will permit aturning of the key in the eccentrically-shaped perforations of the otherear 6 and adjacent latch-piece 13, and alternating with these circularportions of the keys 16 are eccentricallyshouldered portions 1!) and 20,that form a lock between the two latch-pieces 13 and at the outside ofone of the ears after the key has been inserted and turned. It isobvious that when the keys 16 are turned in proper position theireceentrieally-formed portions will readily pass through theeccentricallyformed openings and of the one ear 6 and adjacentlatch-piece 13, and after insertion of the keys their shoulderedportions will naturally assume depending positions that will preventendwise displacement.

In order to change the vertical adjustment of the plow-standards at therear end of the main central beam it is only necessary to partially turnand then draw out the keys 16, then remove the latch-pieces 13, changethe adjustment of the rod 8 with relation to the beam 1, and thenreplace the latches and keys.

On the rod 8 outside the ear-pieces 6 may be placed washeri 21, andbetween these washers and the plow-standards 3 are placed filling-pieces22 in the form of wooden or metal sleeves of any desired length andcircumference. The plow standards 3 are curved or bent outward in arearward direction from the main central beam 1, and thesefilling-pieces 22 serve to assist in maintaining the said standards at asuitable distance apart. For the purpose of varying the width of thefurrows there are also employed spreaders of horseshoe form that can bereadily slipped onto and off from the rod 8 without wholly disconnectingany other parts of the plow. Each U-shaped or horseshoe-spreader 23 isprovided with flanges 24 to fit onto an edge of one of theplow-standards to prevent the spreader from turning. If theplow-standards are to be adjusted apart, so as to increase the widthbetween furrows, one or both of the spreaders 23 will be placed on therod 8 at the inner side or sides of one or both of the plow-standards;but if the distance between the furrows is to be diminished thestandards 3 may be adjusted closer together by placing one or both ofsaid spreaders in a position on the outside of one or bothplowstandards. In order to change the position of either or bothspreaders 23, to widen or narrow the plow, it is only necessary toloosen a nut 25 on the rod 8, remove the spreader from one side of astandard 3 to the other side, and then tighten up the nut.

The plow-handles 26 are mounted on the outer ends of the rod 8 and aresecured by the nuts 25, as shown. To the plow-standard s 3 are pivotedthe lower ends of braces 27, that have their upper ends provided withseries of holes 28, through either of which the said. braces may bebolted to the handles 20 in the required position to correspond with anyinclination or angle to which the handles may be adjusted. \Vashers 29may be placed on the rod 8 at any required points.

The feet of the plow-stamlards 3 are preferably longer than is usual inplows of this general character, thus affording the advantage of raisingthe plow so that trash will be allowed to pass under more freely. Thisform of plow-stamlards will also raise the handles so that the plowmanwill not be compelled to stoop, as when the handles are too low.

The crook or curvature of the plow-feet is such that the mostsatisfactory set is given for causing the plows or shovels to properlytake the ground, and no resetting or shapingis required in order to fitthe standards to varying requirements of work, all necessary adjustmentsbeing obtainable through the adjusting mechanism provided at the rearend of the main or central beam. The manner of supporting and arrangingthe handles affords, in connection with the arrangement and adj ustmentsof the plow-standards 3, a broad base that makes the plow wider, givesit more steadiness, and enables it to be handled with. great ease andefficiency.

The herein described adjusting devices may be applied to plows andcultivator-s of a construction differing from that herein shown, and itwill be obvious that I may vary the precise form and location of partswithout departing from the spirit of my invention and that I may providethe standards with shovels or points of any desired form or character.

lVhat I claim asmy invention is- 1. The combination with the main orcentral beam of a plow, and side beams or shovel carrying standardspivoted to the said main beam, or vertically slotted ears secured to andprojecting rearward from the rear end of the said main beam, atransverse rod extended through the vertically elongated slots of saidears and through perforations in the side beams or plow standards andhaving a vertical adjustment in said slots, latch pieces engaged withsaid rod, and keys engaged with said latch pieces and with the ears onthe central beam, to hold the said rod and plow standards in adjustedposition, substantially as described.

2. The combination with the main or central beam of a plow, and sidebeams or shovel carrying standards pivoted to the mainbeam, of carsprojecting rearward from the rear end of the main beam and provided withvertically elongated slots, a rod extended transversely through saidslots and having its ends engaged with the side beams or plow standards,latch pieces provided with lugs to engage said rod at differentelevations, and keys adapted to be engaged in perforations of said latchpieces, and ears to hold the said rod and connected plow standards atany adj usted elevation, substantially as described.

3. The combination with a plow-beam, and ears projecting from the rearend of said beam and provided with vertically elongated slots, of plowor shovel carrying standards pivoted to opposite sides of the saidplow-beam, a rod extend ed through the vertically elongated slots ofsaid ears and through perforations in the plow standards, latch piecesadapted to engage said transverse rod at varying elevations on saidlatch pieces, and keys extended through perforations in said ears, andlatch pieces to hold the transverse rod and attached plow standards atany adjusted elevation, the said ears, latch pieces, and keys having alooking engagement, substantially as described.

4. The combination with a main or central plow beam, and side beams orshovel carrying standards having their forward ends pivoted to said mainbeam, of ears secured to and projecting rearward from the rear end ofthe said main beam, each of said ears being through the slots of saidears and through the side beams or standards, latch pieces provided withlugs to engage said transverse rod and hold it at varying elevations andhaving perforations corresponding with the perforations in the adjacentears, and keys formed with alternate circular and eccentricallyshouldered portions to engage the perforations of the said ears andlatch pieces and having a locking engagement therewith, substantially asdescribed.

5. The combination with a main or central plow beam, and side beams orshovel carrying standards pivoted to said main beam, of a transverselyextended rod adjustably supported at the rear end of the main beam andextended through the side beams or plow standards, means for imparting avertical adjustment to said transverse rod to raise or lower thestandards, U-shaped spreaders placed on said rod adjacent to thestandards and adapted to be adjusted to the inner or outer sides of saidstandards to widen or narrow the plow, and plow-handles mounted on saidtransverse rod and having adjustable connection with the plow standards,substantially as described.

In testimony whereof I have hereunto set my hand in presence of twosubscribing witnesses.

EDWARD S. CLAYTON.

WVitnesses:

R. A. MCCORD, R. L. GRIGG.

